NFDIV-4237 Update schedule

[BWeeks-JusticeGovUK]

https://tools.hmcts.net/jira/browse/NFDIV-4237

Configure schedule

🤖AEP PR SUMMARY🤖

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• nfdiv-cron-regen-citizen-aos-response-pack.yaml

  • Changed the schedule from \"44 11 26 7 \" to \"0 0 21 8 \"

• prod.yaml

  • Updated the schedule from \"0 0 01 8 \" to \"0 0 21 8 \"